Coffee maker



FIG. 1 is a front, top, right side perspective view of a coffee maker, with the cups removed for ease of illustration, showing my new design;

FIG. 2 is a front elevational view thereof, with the cups removed for ease of illustration;

FIG. 3 is a rear elevational view thereof, with the cups removed for ease of illustration;

FIG. 4 is a right side elevational view thereof, with the cups removed for ease of illustration;

FIG. 5 is a left side elevational view thereof, with the cups removed for ease of illustration;

FIG. 6 is a top plan view thereof, with the cups removed for ease of illustration;

FIG. 7 is a bottom plan view thereof, with the cups removed for ease of illustration;

FIG. 8 is an exploded perspective view of a coffee maker showing my new design;

FIG. 9 is a top, front, right side perspective view of a coffee maker showing my new design;

FIG. 10 is a front perspective view thereof;

FIG. 11 is a rear elevational view thereof; and,

FIG. 12 is a left side elevational view thereof.

The broken line showing of a protruding base portion in FIGS. 2-5 and 10-12 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a coffee maker, as shown and described. 